title: Role of protozoa in the concentration of nitrogen in the sludge during aerobic purification of sewage.
authors.forename: S C
authors.initials: SC
authors.lastname: PILLAI
authors.forename: T K
authors.initials: TK
authors.lastname: WADHWANI
mesh_terms: D000818:Animals; D001288:Attention; D007448:Invertebrates; D009584:Nitrogen; D017672:Nitrogen Compounds; D012722:Sewage / Q000302:isolation & purification*; D012996:Solutions
chemical_list: D017672:Nitrogen Compounds; D012722:Sewage; D012996:Solutions; D009584:Nitrogen